The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when you can plant pole beans by reviewing the USDA zone info for Sioux City.

Planting Calendar for Pole beans

Frost tolerance for pole beans:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant pole beans until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant pole beans in Sioux City is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant pole beans and expect a good harvest is probably August. If you wait any later than that and your pole beans may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your pole beans indoors.

Last Frost Date

On average the last frost is on April 15 in Sioux City. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Sioux City is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Sioux City you get surprised by a frost after April 15 so just be sure to be ready to protect your pole beans in the event of a late frost.

USDA Zone Info for Sioux City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Sioux City

You may be interested in your other planting guides for Sioux City.